Add 27/70 and 8/42
27/70 + 8/42 is 121/210.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 70 × 3 = 210,
27/70 = 27 × 3/70 × 3 = 81/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
8/42 = 8 × 5/42 × 5 = 40/210 - Add the two like fractions:
81/210 + 40/210 = 81 + 40/210 = 121/210 - So, 27/70 + 8/42 = 121/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/70+8/42 27/70+16/42 27/70+8/84 81/70+8/42 27/70+24/42 27/70+40/42 27/70+56/42